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What It Does
Bardahl OptiBlue stabilises AdBlue®, prevents crystallisation and protects SCR systems for reliable emissions control and longer component life.
How To Use
One full dose equals 25ml. Pour the measured dose into the AdBlue® tank before refilling. One 25ml dose treats up to 25 litres of AdBlue®. Always respect the recommended dosage. The AdBlue® + OptiBlue mixture complies with ISO 22241 standards when used as directed.
Problem
Modern diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems rely on AdBlue® to reduce NOx emissions. Over time, AdBlue® can degrade, crystallise and form deposits inside injectors and SCR components, leading to warning lights, poor emissions control, costly repairs and vehicle downtime.
This risk increases during long storage periods, temperature fluctuations and frequent short journeys.
Possible Causes
Urea crystallisation in the AdBlue® system
Poor AdBlue® spray quality
Temperature-related AdBlue® degradation
Injector clogging and SCR contamination
Extended AdBlue® storage periods
Solution
Bardahl OptiBlue is a specialist AdBlue® treatment designed to stabilise and improve AdBlue® efficiency in vehicles fitted with SCR systems. By reducing surface tension, OptiBlue ensures finer AdBlue® spraying, optimised SCR operating temperature and improved emissions control.
Its advanced formula prevents urea crystallisation, protects AdBlue® injectors and keeps the SCR system clean, significantly extending system lifespan and reliability.
Nothing Will Stop You – The Power Is In Your Hands
Benefits:
Stabilises and improves AdBlue® efficiency
Ideal for extended AdBlue® storage periods
Prevents urea crystallisation in SCR systems
Protects AdBlue® injectors from blockage
Optimises SCR operating temperature
Improves AdBlue® spray quality
Keeps the SCR system clean
Extends SCR system lifespan
Helps prevent dashboard warning lights and faults
Vehicle Type
Suitable for all diesel vehicles equipped with SCR systems using AdBlue®. Compatible with passenger cars, vans, trucks, buses and commercial vehicles.
Protect Your SCR System. Prevent Crystallisation. Optimise AdBlue® Performance.
These FAQs explain how Bardahl AdBlue additives work, when to use them, and how they help support consistent emissions system performance.
What are Bardahl AdBlue additives used for?
Bardahl AdBlue additives are designed to protect and maintain the SCR (Selective Catalytic Reduction) system, helping ensure correct AdBlue flow, prevent blockages and support effective emissions control in diesel vehicles equipped with AdBlue systems.
What problem does OptiBlue Anti-Crystallization Treatment address?
OptiBlue Anti-Crystallization Treatment helps prevent the formation of AdBlue crystals in injectors, pumps and lines. Crystallisation can lead to blockages, warning lights and reduced SCR efficiency, especially in cold or short-journey driving conditions.
How does OptiBlue Anti-Crystallization Treatment protect the SCR system?
The treatment keeps AdBlue fluid stable and free-flowing, reducing deposits that can impair injector operation and sensors. This helps maintain proper dosing, supports emissions performance and reduces the risk of system faults.
When should OptiBlue Anti-Crystallization Treatment be used?
OptiBlue Anti-Crystallization Treatment can be used preventively during normal vehicle operation, particularly for vehicles used on short journeys, in stop-start driving or colder climates where crystallisation is more likely to occur.
Can using an AdBlue additive help avoid costly SCR repairs?
Yes. Regular use of OptiBlue Anti-Crystallization Treatment helps prevent blockages and system malfunctions, reducing the likelihood of AdBlue injector or SCR component failures, helping avoid expensive repairs and vehicle downtime.